So, with the primary season all but concluded, attention turns to the general election. Join Guardian political columnist and commentator Ana Marie Cox and the National Review Online's Campaign Spot blogger Jim Geraghty to discuss the issues and the prospect of the Obama v Romney match-up. The webchat will be 1-2pm EST (6-7pm UK time); please post your questions and comments in the component here. Matt Seaton and Ruth Spencer will be moderating.